Restructure test folders & refactor test traits

tests/ImagickTestCase.php

@@ -0,0 +1,38 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Intervention\Image\Tests;
+
+use Imagick;
+use ImagickPixel;
+use Intervention\Image\Drivers\Imagick\Core;
+use Intervention\Image\Drivers\Imagick\Decoders\FilePathImageDecoder;
+use Intervention\Image\Drivers\Imagick\Driver;
+use Intervention\Image\Image;
+
+abstract class ImagickTestCase extends BaseTestCase
+{
+    public function readTestImage($filename = 'test.jpg'): Image
+    {
+        return (new FilePathImageDecoder())->handle(
+            $this->getTestImagePath($filename)
+        );
+    }
+
+    public function createTestImage(int $width, int $height): Image
+    {
+        $background = new ImagickPixel('rgb(255, 0, 0)');
+        $imagick = new Imagick();
+        $imagick->newImage($width, $height, $background, 'png');
+        $imagick->setType(Imagick::IMGTYPE_UNDEFINED);
+        $imagick->setImageType(Imagick::IMGTYPE_UNDEFINED);
+        $imagick->setColorspace(Imagick::COLORSPACE_SRGB);
+        $imagick->setImageResolution(96, 96);
+
+        return new Image(
+            new Driver(),
+            new Core($imagick)
+        );
+    }
+}